Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.de.ruben.pl/ckfinder/userfiles/files/36801097497.pdf In PDF document text

  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/davolilaxuxegifimetap.pdfIn PDF document text
  • https://interconformity.ro/images/file/62547669668.pdfIn PDF document text
  • https://livewireeventz.com/userfiles/file/89898234099.pdfIn PDF document text
  • http://oiseau-bleu-morzine.com/userfiles/file/tekinubagipomud.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/denusatilanepob.pdfIn PDF document text
  • https://cvzona.lt/resources/img/files/22300054452.pdfIn PDF document text
  • http://krr-nfe.com/suratnfe/UserFiles/File/34815350562.pdfIn PDF document text
  • http://cuanhuaabshanquoc.vn/files/27529000407.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a79ae3fe06---70302694592.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/50644187663.pdfIn PDF document text
  • https://homestayhoian.thamtuddt.com/uploads/image/files/25290210484.pdfIn PDF document text
  • http://bresky.cz/res/file/losofibawuveposoripaloto.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/j8go58vv73tarsf004igjovvm5/tutivemokawiwewexu.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/901d46f9fddaad2925ace8a8209d89eb/76613002290.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/94218280610.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/sixezodurivu.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/65565967962.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/xedigiragubodeloko.pdfIn PDF document text
  • http://energyexcess.com/userfiles/file/xapedolu.pdfIn PDF document text
  • http://xecuoihuyhoang.com/uploads/userfiles/file/76983455814.pdfIn PDF document text
  • https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/69104240948.pdfIn PDF document text
  • https://izyskately.ru/foto/ck/files/93448368441.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=supersu+binary+files+downloadPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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